Inventions Who invented the Seed Drill? Jethro Tull Woodie Guthrie Arlo Guthrie Thomas Hines Jethro Tull Woodie Guthrie Arlo Guthrie Thomas Hines ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Telephone Television Electricity Early Warning Telephone Television Electricity Early Warning ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1960s 1950s 1970s 1940s 1960s 1950s 1970s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Joshua Rumble Giuseppe Mercalli Charles Richter Hiram Walker Joshua Rumble Giuseppe Mercalli Charles Richter Hiram Walker ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Visa Diner's Club Discover MasterCharge Visa Diner's Club Discover MasterCharge ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Henry Ford Charles Goodyear Roy Plunkett Leo Hendrik Baekeland Henry Ford Charles Goodyear Roy Plunkett Leo Hendrik Baekeland ANSWER DOWNLOAD EXAMIANS APP